Weather is probably a major factor when you plan your trip to Lunglei, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May with an average temp of 76°F, while the coldest months are January and December with an average of 64°F. The rainiest months in Lunglei are June, July, August, and September, with each month seeing an average of 15 inches of rainfall.